package com.miao.base.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

@Slf4j
//@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {

    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("启动消息转换器");
        //创建消息转换对象
        MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器
        mappingJackson2HttpMessageConverter.setObjectMapper(new JacksonObjectMapper());
        //将消息转换器追加到mvc框架的转换器容器
        converters.add(0, mappingJackson2HttpMessageConverter);//放到前边，优先使用
    }
}